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authortangwenji <tang.wenji@zte.com.cn>2017-11-28 12:40:27 -0600
committerNicholas Bellinger <nab@linux-iscsi.org>2018-01-12 15:07:10 -0800
commit26d2b3106f6015b1d19ae5f8b0cc1fc7fe8e669e (patch)
treeb13c00c0549d3129c4f2ddade23c2f764a148d69 /drivers/target/target_core_user.c
parent094bb5d766cfcdae47e332c6d6713c7029241be1 (diff)
tcmu: fix page addr in tcmu_flush_dcache_range
The page addr should be update. Signed-off-by: tangwenji <tang.wenji@zte.com.cn> Signed-off-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_user.c')
-rw-r--r--drivers/target/target_core_user.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index a415d87f22d2..6bcaa8b5684c 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -455,12 +455,13 @@ static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd)
static inline void tcmu_flush_dcache_range(void *vaddr, size_t size)
{
unsigned long offset = offset_in_page(vaddr);
+ void *start = vaddr - offset;
size = round_up(size+offset, PAGE_SIZE);
- vaddr -= offset;
while (size) {
- flush_dcache_page(virt_to_page(vaddr));
+ flush_dcache_page(virt_to_page(start));
+ start += PAGE_SIZE;
size -= PAGE_SIZE;
}
}

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